Precision installation tools for cup-shaped hinges on cabinet furniture doors

By combining the magnetic positioning component and the hole spacing adjustment component, efficient and precise installation of cup hinges is achieved, solving the misalignment problem of existing tools when using existing hinge cup hole positioning screw installation holes, thus improving the installation quality and service life of cabinet furniture.

CN117506779BActive Publication Date: 2026-04-03NANJING FORESTRY UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-10-27
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing tools make it difficult to quickly and accurately locate screw mounting holes when installing cup hinges, especially when there are already hinge cup holes, which can lead to hinge misalignment, affecting the hinge life and cabinet door stability.

Method used

By employing a magnetic positioning component and a hole spacing adjustment component, the hinge cup cover plate and the T-shaped component's retaining strip are magnetically attracted to the side of the door panel. Combined with measuring scales and guide grooves, precise alignment of the hinge cup hole with the side of the door panel is achieved, simplifying the installation process to a single step.

Benefits of technology

It improves installation efficiency and precision, ensures the accuracy and stability of hinge installation, adapts to different installation positions, has a wide range of applications, and reduces after-sales costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention provides a precision installation tool for cup-shaped hinges on cabinet furniture doors, including a magnetic positioning component and a hole spacing adjustment component. The hole spacing adjustment component is disposed on the magnetic positioning component. The magnetic positioning component includes a top plate, a magnetic element, and a guide seat. The guide seat has a guide hole for sliding the hole spacing adjustment component. The rear end of the top plate is disposed on the guide seat, and the front end of the top plate has a magnetic element for attracting the hinge cup cover plate of the cup-shaped hinge. The front end of the top plate also has a positioning hole for adapting the hinge cup of the cup-shaped hinge. This precision installation tool for cup-shaped hinges on cabinet furniture doors can achieve efficient and precise installation on doors with existing hinge cup holes, and can eliminate the tool installation and removal process. After directly placing the hinge cup of the cup-shaped hinge into the glue cup hole, the screw can be directly installed, achieving one-step installation. It can significantly improve efficiency and accuracy compared to traditional tools and installation methods.
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Description

Technical Field

[0001] This invention relates to a tool for precisely installing cup-shaped hinges on cabinet furniture doors. Background Technology

[0002] Cabinet furniture, being the most common type of panel furniture, relies primarily on hinges for opening and closing its doors. Common hinge types include standard hinges, concealed cup hinges, and glass door hinges. Concealed cup hinges are typically used in wardrobes. The precision of hinge installation directly affects the hinge's lifespan and the furniture's quality. When installing cup hinges, pre-drilling 35mm diameter hinge cup holes and screw holes on both sides of the cabinet door ensures the hinge's correct installation position.

[0003] In actual production, due to incomplete design drawings, limited production conditions, and different hinge models, some small businesses and custom furniture manufacturers often only pre-drill 35mm diameter hinge cup holes, lacking corresponding screw guide holes. This makes it easy for the hinge cup to tilt during installation, resulting in the hinge arm not being level. Since door installation requires two or more hinges, the aforementioned problems make it difficult to ensure the verticality and stability of the cabinet door's rotation axis, thus reducing hinge lifespan and causing the cabinet door to loosen or sag. Therefore, designing a simple and easy-to-use tool to solve the problem of hinge rotational misalignment during installation can improve the quality of cabinet furniture and extend its lifespan.

[0004] Currently, the installation of cup hinges on cabinet furniture doors mainly involves manual installation and installation with auxiliary tools. Manual installation is prone to problems such as positional deviation and hinge arm tilting. The marking process is cumbersome, resulting in low installation efficiency and poor accuracy, which is the main reason for door panel misalignment. Existing installation auxiliary tools mainly fall into two categories: marking template tools and auxiliary drilling tools.

[0005] The first type of line drawing template tool, such as Figure 1 and Figure 2 , Figure 1 This is a picture of a hinge drawing template. Figure 2 This is a schematic diagram illustrating the use of a hinge marking template. The hinge marking template is L-shaped and has corresponding holes. This template can be used to mark the center point of the hinge cup hole and the positions of the two screw mounting holes, providing positioning for drilling with hand tools. Figure 2 In the diagram, (a) is an illustration of marking hinge cup holes and screw holes using a hinge marking template, and (b) is an illustration of marking the hinge cup holes and screw holes on the door panel. Figure 1Based on the hinge marking template, Chinese patent CN201721909493.6 discloses a home hinge installation tool ruler, which adds a longitudinal measuring ruler, making it easier to determine the relative positions between several hinges. This tool is not substantially different from the first one in terms of positioning the hinge cup mounting screws; both belong to the three-step method of "marking with template → manually drilling guide holes → fixing the hinge cup with mounting screws." The three-step method of "marking, drilling, and installing" is still cumbersome and has low overall installation efficiency. Furthermore, the tool has poor versatility; the standard template only adapts to the mounting hole parameters of common hinge cups. If the mounting parameters of different brands and models of hinge cups change, the template cannot be adjusted.

[0006] The second category includes auxiliary drilling tools, such as the hinge hole locator disclosed in Chinese patent CN201921348315.X. Figure 3 The system includes a main body base 01 and a central hole 07. On both sides of the central hole at the top of the main body base are integrally formed fixed side posts 04. A sleeve 03 is connected above these fixed side posts for inserting a drill sleeve 08. The lower surface of the main body plate has corrugated positioning tips 06. Before use, the horizontal opening position needs to be marked on the wooden board with a pen. After aligning the positioning tips with the marked line, the positioning base is fixed to the board using a clamp, with the positioning rod 05 close to the edge of the wooden board. A hinge cup hole is drilled through the drill sleeve using a drill bit. Then, a suitable screw mounting hole 02 is selected according to the hinge specifications, and a twist drill is used to drill through the screw hole.

[0007] The aforementioned templates and tools can solve the positioning problem of manually drilling holes for cup hinges to some extent. However, they are only suitable for positioning the 35mm diameter main hole for the hinge cup on door panel parts that have no pre-drilled holes. The screw holes for fixing the hinge cup are secondary; the former is the primary positioning element. However, when dealing with door panel parts where the 35mm diameter main hole for the hinge cup has already been drilled using a multi-drilling machine, the templates are either unsuitable or inconvenient for quickly and accurately positioning the screw holes on both sides of the main hole. Furthermore, the step-by-step operation is inefficient and not an ideal solution. When installing cup hinges on cabinet furniture doors, rotational misalignment can occur when there are only hinge cup holes and no screw guide holes. Because the hinge area experiences significant stress, misaligned hinges are easily damaged. Analysis of existing installation aids reveals that their positioning methods and drilling procedures are not suitable solutions to these problems.

[0008] The above issues are problems that should be considered and resolved during the precise installation of cup-shaped hinges on cabinet furniture doors. Summary of the Invention

[0009] The purpose of this invention is to provide a precise installation tool for cup-shaped hinges on cabinet furniture doors, solving the problem that existing tools are difficult to quickly and accurately locate screw mounting holes on doors with pre-existing hinge cup holes.

[0010] The technical solution of this invention is:

[0011] A tool for precisely installing cup-shaped hinges on cabinet furniture doors includes a magnetic positioning component and a hole spacing adjustment component. The hole spacing adjustment component is mounted on the magnetic positioning component. The magnetic positioning component includes a top plate, a magnetic element, and a guide seat. The guide seat has a guide hole for sliding the hole spacing adjustment component. The rear end of the top plate is mounted on the guide seat. The front end of the top plate has a magnetic element for attracting the hinge cup cover of the cup-shaped hinge. The front end of the top plate also has a positioning hole for adapting the hinge cup of the cup-shaped hinge.

[0012] Furthermore, the hole spacing adjustment assembly includes a T-shaped component and a retaining screw. The T-shaped component includes a slider and a stop bar. The slider passes through the guide hole of the guide seat and is vertically connected to one side of the stop bar. The other side of the stop bar is provided with a contact surface for tightly fitting the door panel. The slider and the stop bar together form a T-shape. The retaining screw passes through the guide seat and abuts against the slider.

[0013] Furthermore, the magnetic suction component has an adsorption end face, and the baffle is arranged parallel to the adsorption end face.

[0014] Furthermore, the slider is equipped with a measuring scale.

[0015] Furthermore, the slider is provided with a guide groove, and the guide hole is provided with a guide rail that is adapted to the guide groove.

[0016] Furthermore, the top plate includes a horizontal section and a vertical section, which together form a T-shape. One end of the horizontal section is connected to a guide seat, and the other end of the horizontal section is perpendicularly connected to the vertical section. The positioning hole is located on the vertical section, which is located above the baffle.

[0017] Furthermore, the bottom surface of the longitudinal section is perpendicular to the contact surface of the baffle, and the width of the longitudinal section is greater than the width of the baffle.

[0018] Furthermore, the positioning hole is semi-circular and located at the center of the front end of the top plate, with magnetic suction components on both sides of the positioning hole.

[0019] Furthermore, the magnetic chuck uses a permanent magnet, and the retaining screw uses a knurled hand-tightening screw.

[0020] Furthermore, the process of using the precision installation tool for the cup-shaped hinges on the cabinet furniture door panels is as follows:

[0021] First, measure the shortest distance from the edge of the existing 35mm diameter hinge cup hole on the door panel to the nearest side of the door panel as the hole distance value. Adjust the position of the T-shaped component in the tool accordingly, so that the measuring scale of the guide hole of the T-shaped component aligns with the hole distance value. Then, fix the T-shaped component with the retaining screw. At this time, put the hinge cup to be installed into the 35mm diameter hinge cup hole, so that the inner straight edge of the hinge cup cover plate is parallel to the nearest side of the door panel, and raise the hinge arm so that it is perpendicular to the hinge cup and the door panel.

[0022] Next, press the T-shaped component strip tightly against the side of the door panel, while the magnetic component attracts the inner straight edge of the hinge cup cover plate, so that the magnetic positioning component and the hole spacing adjustment component can be temporarily fixed. At this time, you can free your hands to install the screws on the hinge cup cover plate to ensure that the hinge cup is installed in the correct position.

[0023] The beneficial effects of this invention are:

[0024] I. This precision installation tool for cup-shaped hinges on cabinet furniture doors, through the setting of magnetic positioning components and hole spacing adjustment components, can achieve efficient and precise installation on door panels with existing hinge cup holes, and can eliminate the tool installation and removal process. After directly placing the hinge cup of the cup-shaped hinge into the glue cup hole, the screw can be installed directly, and the installation can be completed in one step. It can achieve a significant improvement in efficiency and accuracy compared to traditional tools and installation methods.

[0025] II. The precision installation tool for the cup-shaped hinges on this type of cabinet furniture door panel can be operated by one person using both hands: one hand holds the tool while the other hand screws in the hinge cup installation screws. This convenient and easy-to-use tool ensures precise hinge installation and high usability. Simultaneously, the hand holding the tool must also be able to press down on both the hinge cup and the door panel to ensure stability and accuracy during installation.

[0026] Third, this precision installation tool for cup-shaped hinges on cabinet furniture doors features a hole spacing adjustment component, allowing for flexible positioning and adaptability to door panels in different installation positions. The hole spacing adjustment component allows for quick adaptation even when the distance between the hinge cup hole and the nearest side of the door panel varies, meeting the installation requirements of hinge cup holes in different positions and making it widely applicable.

[0027] IV. This precision installation tool for cup-shaped hinges on cabinet furniture doors, through the combined use of magnetic positioning components and hole spacing adjustment components, can greatly improve the installation accuracy and efficiency of the hinge cups, enabling a one-step installation method: Even when the door panel already has hinge cup holes but lacks guide holes for the mounting screws, this tool can quickly and accurately install the hinge cup fixing screws in one step. The tool assists in positioning and screwing in the screws after the hinge cup is placed in the hinge cup hole. Furthermore, it ensures that the line connecting the two screw mounting holes on the hinge cup is parallel to the edge of the door panel. Attached Figure Description

[0028] Figure 1This is a physical image of an existing hinge drawing template;

[0029] Figure 2 This is a schematic diagram illustrating the use of an existing hinge marking template, wherein (a) is a schematic diagram illustrating the marking of hinge cup holes and screw holes using the hinge marking template, and (b) is a schematic diagram illustrating the marking of hinge cup holes and screw holes on a door panel.

[0030] Figure 3 This is a structural schematic diagram of an existing hinge hole locator;

[0031] Figure 4 This is a schematic diagram of the structure of the cup-shaped hinge precision installation tool for cabinet furniture door panels according to an embodiment of the present invention;

[0032] Figure 5 This is a schematic diagram of the magnetic positioning component and the hole spacing adjustment component in the embodiment;

[0033] Figure 6 This is a schematic diagram illustrating the usage instructions for a precise installation tool for cup-shaped hinges on cabinet furniture doors, as shown in the example.

[0034] Wherein: 1-Magnetic positioning component, 2-Hole spacing adjustment component, 3-Door panel, 4-Hinge cup hole, 5-Nearest side of the door panel;

[0035] 11-Top plate, 12-Magnetic suction component, 13-Guide seat, 14-Guide hole, 15-Positioning hole, 16-Adsorption end face;

[0036] 111 - Horizontal part, 112 - Vertical part;

[0037] 21-Slider, 22-Stop bar, 23-Fixing screw, 24-Mating surface, 25-Measuring scale, 26-Guide groove, 27-Guide rail. Detailed Implementation

[0038] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0039] Example

[0040] A tool for precisely installing cup-shaped hinges on cabinet furniture doors, such as... Figure 4 and Figure 5 The device includes a magnetic positioning component 1 and a hole spacing adjustment component 2. The hole spacing adjustment component 2 is disposed on the magnetic positioning component 1. The magnetic positioning component 1 includes a top plate 11, a magnetic suction component 12, and a guide seat 13. The guide seat 13 is provided with a guide hole 14 for sliding the hole spacing adjustment component 2. The rear end of the top plate 11 is disposed on the guide seat 13. The front end of the top plate 11 is provided with a magnetic suction component 12 for adsorbing the hinge cup cover plate of the cup-shaped hinge. The front end of the top plate 11 is also provided with a positioning hole 15 for adapting the hinge cup of the cup-shaped hinge.

[0041] This precision installation tool for cup-shaped hinges on cabinet furniture doors, through the setting of magnetic positioning component 1 and hole spacing adjustment component 2, can achieve efficient and precise installation on door panels 3 with existing hinge cup holes 4, and can eliminate the tool installation and removal process. After the hinge cup of the cup-shaped hinge is directly placed into the glue cup hole, the screw is directly installed, and the installation is completed in one step. It can achieve a significant improvement in efficiency and accuracy compared to traditional tools and installation methods.

[0042] like Figure 4 The hole spacing adjustment component 2 is used to determine the distance between the hinge cup hole 4 of the cup hinge and the nearest side 5 of the door panel. The hole spacing adjustment component 2 includes a T-shaped component and a retaining screw 23. The T-shaped component includes a slider 21 and a stop bar 22. The slider 21 passes into the guide hole 14 of the guide seat 13. The slider 21 is vertically connected to one side of the stop bar 22. The other side of the stop bar 22 is provided with a contact surface 24 for tightly fitting the door panel 3. The slider 21 and the stop bar 22 together form a T-shape. The retaining screw 23 passes through the guide seat 13 and abuts against the slider 21.

[0043] The process of using the hole spacing adjustment component 2 is as follows: For a door panel 3 with an existing hinge cup hole 4, measure the shortest distance from the hinge cup hole 4 to the nearest side edge 5 of the door panel, and record it as the hole spacing value. Based on this hole spacing value, adjust the distance by which the slider 21 of the T-shaped component passes through the guide hole 14. After adjusting the position of the slider 21 within the guide hole 14, use the fixing screw 23 to fix the slider 21. Thus, when the contact surface 24 of the stop strip 22 is in close contact with the nearest side edge 5 of the door panel, the lateral distance between the contact surface 24 of the stop strip 22 and the positioning hole 15 is the hole spacing value, which facilitates the quick and accurate positioning of the hinge cup cover plate of the cup-shaped hinge by the magnetic positioning component 1.

[0044] In the hole spacing adjustment assembly 2, the magnetic suction component 12 has an adsorption end face 16, and the stop bar 22 is arranged parallel to the adsorption end face 16, so that the cup-shaped hinge connected to the adsorption end face 16 is arranged parallel to the stop bar 22. The stop bar 22 is close to the nearest side 5 of the door panel, so that the cup-shaped hinge is parallel to the side of the door panel 3. The slider 21 has a measuring scale 25. The distance that the slider 21 extends out of the guide hole 14 is the same as the distance between the hinge cup hole 4 and the nearest side 5 of the door panel. Therefore, by setting the measuring scale 25, the distance between the hinge cup hole 4 and the nearest side 5 of the door panel can be directly determined. The slider 21 has a guide groove 26, and the guide hole 14 has a guide rail 27 adapted to the guide groove 26. Through the cooperation of the guide rail 27 and the guide groove 26, the slider 21 is stably and reliably guided to slide.

[0045] This precision installation tool for cup-shaped hinges on cabinet furniture doors features a hole spacing adjustment component 2, providing positioning adjustment. By adjusting the shortest distance between the hinge cup hole 4 and the nearest side 5 of the door panel, the position of the T-shaped component within the guide hole 14 can be adjusted accordingly. This flexible positioning allows for quick and easy application even when the position of the hinge cup hole 4 varies within a certain range, making it widely applicable. The nearest side 5 of the door panel refers to the side of the door panel 3 closest to the hinge cup hole 4. In actual operation, the shortest distance from the edge of the 35mm diameter hinge cup hole 4 on the door panel 3 to the nearest side 5 varies depending on factors such as the installation position of the door panel 3 (full overlay, half overlay, or inset) and the thickness of the door panel 3, typically ranging from 3mm to 8mm. The position of the stop bar 22 of the T-shaped component can be quickly adjusted to accommodate variations in the shortest distance of the hinge cup hole 4 between 3mm and 8mm.

[0046] like Figure 4 and Figure 5 The top plate 11 includes a horizontal portion 111 and a vertical portion 112, which together form a T-shape. One end of the horizontal portion 111 is connected to a guide seat 13, and the other end is perpendicularly connected to the vertical portion 112. A positioning hole 15 is provided on the vertical portion 112, which is located above the baffle 22. By setting the T-shaped top plate 11, sufficient length can be provided in the vertical portion 112 to accommodate the positioning hole 15 and the magnetic suction member 12. At the same time, the horizontal portion 111 can be connected to the guide seat 13, resulting in a small size and allowing for a clear view of the position of the baffle 22, ensuring that the baffle 22 is tightly attached to the side of the door panel 3. The bottom surface of the vertical portion 112 is perpendicular to the contact surface 24 of the baffle 22, and the width of the vertical portion 112 is greater than the width of the baffle 22. The bottom surface of the vertical portion 112 is used to contact the mounting surface of the door panel 3 where the glue cup hole is located, and the contact surface 24 of the baffle 22 is tightly attached to the side of the door panel 3.

[0047] like Figure 5 and Figure 6 The positioning hole 15 is semi-circular and located at the center of the front end of the top plate 11. Magnetic components 12 are provided on both sides of the positioning hole 15, allowing the hinge cup cover plate of the cup-shaped hinge to be attracted stably. The semi-circular positioning hole 15 facilitates direct installation of the hinge cup. The magnetic components 12 are permanent magnets, and the retaining screw 23 is a knurled hand-tightening screw, allowing for manual operation.

[0048] In the magnetic positioning assembly 1, the main body is a top plate 11 with a 35mm diameter semi-circular positioning hole 15. Its front end is designed with a strong magnetic suction element 12, which can be attracted and connected to the straight edge of the hinged cup lid. In the hole spacing adjustment assembly 2, a T-shaped component is used for positioning. Its slider 21 has a measuring scale 25 at its tail. After being inserted into the guide hole 14 of the guide seat 13, it can slide smoothly in one direction. The stop bar 22 at the head of the T-shaped component remains parallel to the suction end face 16 of the magnetic suction element 12. The fixing screw 23 is a knurled hand-tightening bolt, screwed in from the bottom of the Y-shaped part to fix the slidably adjustable T-shaped part.

[0049] like Figure 6 The process of using the precision installation tool for the cup-shaped hinges on the cabinet furniture doors is as follows:

[0050] First, measure the shortest distance from the edge of the existing 35mm diameter hinge cup hole 4 on the door panel 3 to the nearest side of the door panel 3 as the hole distance value. Adjust the position of the T-shaped component in the tool so that the measuring scale 25 of the guide hole 14 of the T-shaped component corresponds to the hole distance value. Then, fix the T-shaped component with the fixing screw 23. At this time, put the hinge cup to be installed into the 35mm diameter hinge cup hole 4, so that the inner straight edge of the hinge cup cover plate is parallel to the nearest side of the door panel 3, and raise the hinge arm so that it is perpendicular to the hinge cup and the door panel 3.

[0051] Next, the T-shaped component strip 22 is pressed tightly against the side of the door panel 3, while the magnetic component 12 attracts the inner straight edge of the hinge cup cover plate, so that the magnetic positioning component 1 and the hole spacing adjustment component 2 can be temporarily fixed. At this time, both hands can be freed to install the screws on the hinge cup cover plate to ensure that the hinge cup is installed in the correct position.

[0052] This precision installation tool for cup-shaped hinges on cabinet furniture doors offers highly efficient installation. It simplifies the existing three-step or two-step method of hinge cup installation into a single step – the hinge cup is directly inserted into the main hole and installed in one step, significantly improving cabinet door installation efficiency. It eliminates the need for pre-drilled screw guide holes 14 to help align the screws, saving the tool installation and removal steps and allowing for seamless drilling and screw insertion, achieving an efficiency improvement over the two-step method. This precision installation tool for cup-shaped hinges on cabinet furniture doors is simple and easy to use, ensuring accurate hinge installation and solving the problem of easy rotational misalignment when installing cup-shaped hinges with only a single 35mm diameter pre-drilled main hole.

[0053] This precision installation tool for cup-shaped hinges on cabinet furniture doors allows for single-person, two-handed operation: one hand holds the tool while the other screws in the hinge cup mounting screws, making it convenient and highly usable. It eliminates the need for commonly used clamps, avoiding the unevenness that clamps can cause on the bottom of the panel. The magnetic positioning component 11 uses a magnetically attached element 12 with a strong magnet at the front end facing the hinge cup hole 4, magnetically attracting the straight edge of the hinge cup cover plate and ensuring a tight connection. Stability is achieved using the hinge cup itself and the retaining strip on the side of the new tool. Furthermore, the magnetic method makes detachment and repositioning of the new tool very convenient.

[0054] When using this precision installation tool for cup-shaped hinges on cabinet furniture doors, if the front end of the Y-shaped component cannot perfectly align with the inner straight edge of the hinge cup cover (the new tool is designed with relevant dimensional parameters based on the hinges of mainstream brands on the market, so it is fully applicable to most mainstream brands, but a few other brands may experience this misalignment), an alternative method can be used: First, do not fix the knurled screws, keeping the T-shaped component in a slidable state. Directly attach the front end of the Y-shaped component to the inner straight edge of the hinge cup cover using magnetic attraction, then slide the T-shaped component until it is completely aligned with the edge of the door panel. Then tighten the knurled screws to lock the T-shaped component. Finally, install the screws for the hinge cup cover; the effect is the same as above. This precision installation tool for cup-shaped hinges on cabinet furniture doors is applicable to hinges from many brands on the market, covering most hinge varieties and thus having a wide range of applications.

[0055] This precision installation tool for cup-shaped hinges on cabinet furniture doors offers advantages such as convenience, efficiency, flexibility, and wide applicability. Utilizing magnetic positioning and adjustable T-shaped components, it facilitates the precise installation of cup-shaped hinges. This tool can help small and medium-sized enterprises and custom furniture companies improve the installation quality of their cabinet products, reduce after-sales costs, and achieve significant economic benefits.

[0056] The above description is merely a preferred embodiment of this embodiment and is not intended to limit this embodiment in any way. Although this embodiment has been described above as a preferred embodiment, it is not intended to limit this embodiment. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the technical solution of this embodiment. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model without departing from the content of the technical solution of this embodiment shall still fall within the scope of the technical solution of this embodiment.

Claims

1. A tool for precisely installing cup-shaped hinges on cabinet furniture doors, characterized in that: The device includes a magnetic positioning assembly and a hole spacing adjustment assembly. The hole spacing adjustment assembly is mounted on the magnetic positioning assembly. The magnetic positioning assembly includes a top plate, a magnetic element, and a guide seat. The guide seat has a guide hole for sliding the hole spacing adjustment assembly. The rear end of the top plate is mounted on the guide seat, and the front end of the top plate has a magnetic element for attracting the hinge cup cover of the cup-shaped hinge. The front end of the top plate also has a positioning hole for adapting the hinge cup of the cup-shaped hinge. The hole spacing adjustment assembly includes a T-shaped component and a retaining screw. The T-shaped component includes a slider and a stop bar. The slider passes through the guide hole of the guide seat and is perpendicularly connected to one side of the stop bar. The other side of the stop bar has a contact surface for tightly adhering to the door panel. The slider and the stop bar together form a T-shape. The retaining screw passes through the guide seat and abuts against the slider.

2. The precision installation tool for cup-shaped hinges on cabinet furniture doors as described in claim 1, characterized in that: The magnetic suction component has an adsorption end face, and the baffle is set parallel to the adsorption end face.

3. The precision installation tool for cup-shaped hinges on cabinet furniture doors as described in claim 1, characterized in that: The slider has a measuring scale.

4. The precision installation tool for cup-shaped hinges on cabinet furniture doors as described in claim 1, characterized in that: The slider is equipped with a guide groove, and the guide hole is equipped with a guide rail that matches the guide groove.

5. The precision installation tool for cup-shaped hinges on cabinet furniture doors as described in claim 1, characterized in that: The top plate includes a horizontal section and a vertical section, which together form a T-shape. One end of the horizontal section is connected to a guide seat, and the other end of the horizontal section is perpendicularly connected to the vertical section. The positioning hole is located on the vertical section, which is located above the baffle.

6. The precision installation tool for cup-shaped hinges on cabinet furniture doors as described in claim 5, characterized in that: The bottom surface of the longitudinal section is perpendicular to the contact surface of the baffle, and the width of the longitudinal section is greater than the width of the baffle.

7. The precise installation tool for cup-shaped hinges on cabinet furniture doors as described in any one of claims 1-6, characterized in that: The positioning hole is semi-circular and located at the center of the front end of the top plate. Magnetic suction devices are provided on both sides of the positioning hole.

8. The precision installation tool for cup-shaped hinges on cabinet furniture doors as described in any one of claims 1-6, characterized in that: The magnetic chuck uses a permanent magnet, and the retaining screw is a knurled hand-tightening screw.

9. The precision installation tool for cup-shaped hinges on cabinet furniture doors as described in any one of claims 1-6, characterized in that: The process of using the precision installation tool for the cup-shaped hinges on the cabinet furniture doors is as follows: First, measure the shortest distance from the edge of the existing 35mm diameter hinge cup hole on the door panel to the nearest side of the door panel as the hole distance value. Adjust the position of the T-shaped component in the tool according to this value, so that the measuring scale of the guide hole of the T-shaped component is aligned with the hole distance value. Then, fix the T-shaped component with the screw. At this time, put the hinge cup to be installed into the 35mm diameter hinge cup hole, so that the inner straight edge of the hinge cup cover plate is parallel to the nearest side of the door panel, and raise the hinge arm so that it is perpendicular to the hinge cup and the door panel. Next, press the T-shaped component strip tightly against the side of the door panel, while the magnetic component attracts the inner straight edge of the hinge cup cover plate, so that the magnetic positioning component and the hole spacing adjustment component can be temporarily fixed. At this time, you can free your hands to install the screws on the hinge cup cover plate to ensure that the hinge cup is installed in the correct position.

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